Trans-Neptunian object
666184
666184 (2009 YS26)
Where is it now
- Distance from Sun
- 36.521 AU
- True anomaly
- 75.5°
- As of
- 29 August 2026
Two-body Kepler propagation — accurate to ~0.1% for major planets over decades, less so for highly-perturbed bodies. Use JPL Horizons for high precision.
Orbital elements
- Semi-major axis
- 36.786 AU
- Eccentricity
- 0.0262
- Inclination
- 6.55°
- Orbital period
- 223.1 years
- Perihelion
- 35.821 AU
- Aphelion
- 37.751 AU
- Longitude of ascending node
- 143.03°
- Argument of periapsis
- 270.41°
- Epoch · J2000
- 2461000.5
Visual & observation
- Absolute magnitude (H)
- 6.61
- Spectral type
- TNO
Discovery & classification
TNO
Sources
- orbital elements: JPL SBDB